diff options
Diffstat (limited to 'FL/Fl_Screen_Driver.H')
| -rw-r--r-- | FL/Fl_Screen_Driver.H | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/FL/Fl_Screen_Driver.H b/FL/Fl_Screen_Driver.H index 762358412..84f25d9fa 100644 --- a/FL/Fl_Screen_Driver.H +++ b/FL/Fl_Screen_Driver.H @@ -3,7 +3,7 @@ // // All screen related calls in a driver style class. // -// Copyright 1998-2016 by Bill Spitzak and others. +// Copyright 1998-2017 by Bill Spitzak and others. // // This library is free software. Distribution and use rights are outlined in // the file "COPYING" which should have been included with this file. If this @@ -54,6 +54,8 @@ protected: static const int MAX_SCREENS = 16; int num_screens; + static float fl_intersection(int x1, int y1, int w1, int h1, + int x2, int y2, int w2, int h2); public: static char bg_set; @@ -61,6 +63,8 @@ public: static char fg_set; public: + virtual float scale(int n) {return 1;} + virtual void scale(int n, float f) { } static Fl_Screen_Driver *newScreenDriver(); // --- display management virtual void display(const char *disp); @@ -157,6 +161,21 @@ public: virtual void close_display() {} // compute dimensions of an Fl_Offscreen virtual void offscreen_size(Fl_Offscreen off, int &width, int &height) {} + + void rescale_all_windows_from_screen(int screen, float f); + static void transient_scale_display(float f, int nscreen); + static int scale_handler(int event); + virtual void init_workarea() {} + virtual float desktop_scale_factor() {return 1;} + float default_scale_factor(); + enum APP_SCALING_CAPABILITY { + NO_APP_SCALING = 0, ///< The platform does not support rescaling. + SYSTEMWIDE_APP_SCALING, ///< The platform supports rescaling with the same factor for all screens. + PER_SCREEN_APP_SCALING ///< The platform supports rescaling with one factor for each screen. + }; + /** Returns the platform's support for rescaling the application with ctrl-/+/-/0/ keys. + */ + virtual APP_SCALING_CAPABILITY rescalable() { return NO_APP_SCALING; } }; |